High Voltage Industrial Motors

High Tension (HT) motors are designed for large industrial drives requiring high power output. Available in 3.3kV, 6.6kV, and 11kV ratings up to 5000HP. These motors feature robust construction, high efficiency, and reliable performance in demanding applications.

3.3kV to 11kV
Up to 5000HP
IE3 Efficiency
5000 HP Max
11kV Max Voltage

HT Motors

High voltage · High power

Key Features

Engineered for heavy industrial applications

High Voltage

3.3kV, 6.6kV, and 11kV ratings

High Power

Up to 5000HP for large drives

Robust Construction

Cast iron / fabricated steel frame

Class F/H Insulation

For high temperature operation

High Efficiency

IE3 efficiency levels

VFD Compatible

Suitable for variable frequency drives

Technical Specifications

Detailed specifications for our HT motor range

Parameter Specification
Power Range 100 HP to 5000 HP
Voltage Ratings 3.3kV, 6.6kV, 11kV
Frequency 50 Hz / 60 Hz
Speed (RPM) 375, 500, 600, 750, 1000, 1500
Insulation Class F (155°C) / H (180°C)
Enclosure TEFC, ODP, WPII, TEAAC
Protection Class IP23, IP44, IP54, IP55
Cooling Method IC01, IC11, IC31, IC81W
Mounting B3 (foot), B5 (flange), custom

HT Motor Types

Available in various configurations

Squirrel Cage HT Motors

Simple, robust design for constant speed applications like pumps, fans, compressors.

  • Low maintenance
  • High efficiency
  • Direct-on-line starting

Slipring HT Motors

For high starting torque applications with reduced starting current.

  • High starting torque
  • Low starting current
  • Speed control possible

Synchronous HT Motors

Constant speed regardless of load, with power factor correction.

  • Exact constant speed
  • Power factor improvement
  • Higher efficiency

Vertical HT Motors

For vertical pump applications and special installations.

  • Thrust bearing included
  • Non-reverse ratchet
  • Various mounting configurations

Applications

Ideal for heavy industries

Compressors

Large Fans

Pumping Stations

Crushers

Ball Mills

Conveyors

Steel Plants

Oil & Gas

Power Plants

Need an HT Motor?

Contact us for specifications, pricing, and custom requirements